31. A diploid male angiospermic plant is crossed with tetraploid female plant. Endosperm of seed will be
32. Nucleic acid content of virus is
33. Ammonium produced by urea can be absorbed by roots or it can
34. Most widely used biocontrol agent is
35. The Central Fertiliser Quality Control Institute is located at
36. When all the five stages are present in the life cycle of rust, it is known as
37. In tree crops fertiliser is not added near the trunk because of
38. Split application of K is useful in high rainfall areas to save on
39. The scientist to discover photophosphorylation was
40. Which of the following is nitrogenous fertiliser for amide group?
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